content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ---------------------------
   * DefaultKeyedValueTests.java
   * ---------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 13-Mar-2003 : Version 1 (DG);
   *
   */
  
  package org.jfree.data;
  
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.fail;
  
  /**
   * Tests for the {@link DefaultKeyedValue} class.
   */
  public class DefaultKeyedValueTest  {
  
  
  
  
  
      /**
       * Simple checks for the constructor.
       */
      @Test
      public void testConstructor() {
          DefaultKeyedValue v = new DefaultKeyedValue("A", 1);
          assertEquals("A", v.getKey());
          assertEquals(1, v.getValue());
  
          // try null key
         try {
              /*v =*/ new DefaultKeyedValue(null, 1);
             fail("IllegalArgumentException should have been thrown on null parameter");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Null 'key' argument.", e.getMessage());
          }
  
  
          // try a null value
          v = new DefaultKeyedValue("A", null);
          assertNull(v.getValue());
      }
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
  
          DefaultKeyedValue v1 = new DefaultKeyedValue("Test", 45.5);
          DefaultKeyedValue v2 = new DefaultKeyedValue("Test", 45.5);
          assertEquals(v1, v2);
          assertEquals(v2, v1);
  
          v1 = new DefaultKeyedValue("Test 1", 45.5);
          v2 = new DefaultKeyedValue("Test 2", 45.5);
          assertFalse(v1.equals(v2));
  
          v1 = new DefaultKeyedValue("Test", 45.5);
          v2 = new DefaultKeyedValue("Test", 45.6);
          assertFalse(v1.equals(v2));
  
      }
  
      /**
       * Some checks for the clone() method.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          DefaultKeyedValue v1 = new DefaultKeyedValue("Test", 45.5);
          DefaultKeyedValue v2 = (DefaultKeyedValue) v1.clone();
          assertNotSame(v1, v2);
          assertSame(v1.getClass(), v2.getClass());
          assertEquals(v1, v2);
  
          // confirm that the clone is independent of the original
          v2.setValue(12.3);
          assertFalse(v1.equals(v2));
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          DefaultKeyedValue v1 = new DefaultKeyedValue("Test", 25.3);
  
          ByteArrayOutputStream buffer = new ByteArrayOutputStream();
          ObjectOutput out = new ObjectOutputStream(buffer);
          out.writeObject(v1);
          out.close();
  
          ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray()));
          DefaultKeyedValue v2 = (DefaultKeyedValue) in.readObject();
          in.close();
          assertEquals(v1, v2);
  
      }
  
  }
  